an electrical device that produces a buzzing sound as a signal 蜂鸣器 Put your fingers on the buzzer and be ready to answer. 把手指放在蜂鸣器上,准备回答。 The buzzer went off at eight o’clock. 蜂鸣器在8点钟时响了。
Oxford Collocations Dictionaryverb + buzzer- press
- punch
- ring
- …
- go
- go off
- sound
- …